LOCATION.--Lat 42°45'14", long 91°22'08"
referenced to North American Datum of 1927, in NE 1/4 NE 1/4 SE 1/4
sec.25, T.92 N., R.5 W., Clayton County, IA, Hydrologic Unit
07060004, on left bank 10 ft downstream from bridge on County Highway
X21 in Littleport, 9.3 mi upstream from confluence with Turkey River,
and 8.0 mi southeast of Elkader. (map)
DRAINAGE AREA.--348 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Partial-record low-flow measurement site from
September 1957 to July 1977; discharge records from September 1999 to
current year.
GAGE.--Water-stage recorder. Datum of gage is 677.00 ft above
National Geodetic Vertical Datum of 1929.